Home / 191,730.18-264,607.32-115,274.16

Finding the Fourth Proportional to 191,730.18, 264,607.32 and 115,274.16

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Solution

The fourth proportional to 191,730.18, 264,607.32 and 115,274.16 is: 159,090.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,730.18 : 264,607.32 = 115,274.16 : x
  2. Step 2: Convert to fraction form
    191,730.18/264,607.32 = 115,274.16/x
  3. Step 3: Cross multiply
    191,730.18x = 264,607.32 × 115,274.16
  4. Step 4: Simplify right side
    191,730.18x = 30,502,386,542.85
  5. Step 5: Solve for x
    x = 30,502,386,542.85/191,730.18
  6. Step 6: Final answer
    x = 159,090.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.